members at a base in jordan. joining us now, nbc news chief international correspondent keir simmons joins us from erbil, iraq. we do not have keir yet. we are waiting to get him. we are waiting to get in to you some of our correspondents waiting at the pentagon. help us understand the planning that did or did not go into this attack, the targets of this attack, the significance of this group. again, this is breaking news happening as we come on the air. we have learned that there has been a strike against an iran-backed armed group in iraq. the pentagon suspects led the broad coalition of iran-backed militias behind the attack in jordan that killed three u.s. troop members. we are getting on air, our correspondents at the pentagon to break down what this all means, the planning that was behind this attack, whether or not this was part of the tiered approach we have heard so much about from the u.s. government in the past few days, the significance of the attack, how these ta